RE: Arbitrary rotation angle with areaDetector Plugin

[Mark Rivers via Tech-talk <tech-talk@aps.anl.gov>]

> This looks perfect. How do I include a new ND plugin in an existing area Detector installation?

You need to recompile your areaDetector application to include this new plugin.  You need to add it to the application dbd file and include the library in your application Makefile.

Mark


-----Original Message-----
From: Tech-talk <tech-talk-bounces@aps.anl.gov> On Behalf Of Smith, William via Tech-talk
Sent: Thursday, July 29, 2021 11:01 AM
To: Michael Davidsaver <mdavidsaver@gmail.com>
Cc: tech-talk@aps.anl.gov; Kazarski, Sebastian <sebastian.kazarski@helmholtz-berlin.de>
Subject: RE: Arbitrary rotation angle with areaDetector Plugin

Hi Michael,

This looks perfect. How do I include a new ND plugin in an existing area Detector installation?

Will
-----Original Message-----
From: Michael Davidsaver <mdavidsaver@gmail.com>
Sent: Thursday, July 29, 2021 5:10 PM
To: Smith, William <william.smith@helmholtz-berlin.de>
Cc: Kazarski, Sebastian <sebastian.kazarski@helmholtz-berlin.de>; tech-talk@aps.anl.gov
Subject: Re: Arbitrary rotation angle with areaDetector Plugin

On 7/29/21 7:22 AM, Smith, William via Tech-talk wrote:
> Hi,
>
>
>
> We would like to rotate an image using area detector by an arbitrary angle, much like the python function imutils.rotate_bound which rotates an image and doesn’t cut off the corners. Ultimately we are trying to get statistics of an ellipse which is not aligned on x and y.
>
>
>
> Has anybody extended the AreaDetector NDTransform plugin, or written another one to do anything like this? What are other people’s approaches?

It may well be stale at this point, but my NDWarp plugin can do this.

https://github.com/mdavidsaver/ndwarp/blob/2eb73105dd886c9dc89e96b3d77661b9bf770a02/warpApp/Db/NDWarp.template#L40

Rotation being one case of the possible coordinate transformations.
The name "warp" coming from skimage, which I used for prototyping.

https://scikit-image.org/docs/dev/api/skimage.transform.html#skimage.transform.warp

________________________________

Helmholtz-Zentrum Berlin für Materialien und Energie GmbH

Mitglied der Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren e.V.

Aufsichtsrat: Vorsitzender Dr. Volkmar Dietz, stv. Vorsitzende Dr. Jutta Koch-Unterseher
Geschäftsführung: Prof. Dr. Jan Lüning (Sprecher), Prof. Dr. Bernd Rech, Thomas Frederking

Sitz Berlin, AG Charlottenburg, 89 HRB 5583

Postadresse:
Hahn-Meitner-Platz 1
14109 Berlin
Deutschland